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Date: Wed, 25 Nov 2015 15:49:35 +0700
Message-ID: <CALS7p_cNO6=ZVnU9Zw_4exY+DWZxjEXQ=SOwU3O2fwDmq7Jmfg@mail.gmail.com>
Subject: Re: [Zsh bug] function define bug
From: Cuong Manh Le <cuong.manhle.vn@gmail.com>
To: =?UTF-8?B?TmfDtCBIdXk=?= <huynhok.uit@vnoss.org>
Cc: Matthew Martin <phy1729@gmail.com>, Zsh Users <zsh-users@zsh.org>
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Hi Severus,

Can you give a demo?

You can turn off `mult=C3=AC_func_def` but you can always do multiple funct=
ion
definition with reserved word `function`

Best.

On Wed, Nov 25, 2015 at 11:20 AM, Ng=C3=B4 Huy <huynhok.uit@vnoss.org> wrot=
e:

> Dear Matthew
>
> 2015-11-25 11:06 GMT+07:00 Matthew Martin <phy1729@gmail.com>:
>
> > On Tue, Nov 24, 2015 at 9:46 PM, Ng=C3=B4 Huy <huynhok.uit@vnoss.org> w=
rote:
> > > Dear folks,
> > >
> > > I found the problem in zsh define function. Demo
> > >
> > > ls test() { echo "Bug !!!"} && ls && test
> > >
> > > it will print
> > >
> > > Bug !!!
> > > Bug !!!
> >
> >
> > That's expected behaviour. Since MULTI_FUNC_DEF is set by default in zs=
h
> > mode, both ls and test are being defined as functions with the body
> > echo "Bug !!!".
> >
> > % func1 func2 () { echo This is "$0"; }
> > % func1; func2
> > This is func1
> > This is func2
> > % which func{1,2}
> > func1 () {
> >         echo This is "$0"
> > }
> > func2 () {
> >         echo This is "$0"
> > }
> > % unsetopt MULTI_FUNC_DEF
> > % func1 func2 () { echo This is "$0"; }
> > zsh: parse error near `()'
> >
>
> I know this behavior likes advanced programming language but mult=C3=AC_f=
unc_def
> should be turned off by default, it leads to risky problem when someone
> searchs as grep, ls malicious strings without quote
>
>
> Kind regards,
> Severus
>

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